lookyman/u2f

<?php

namespace lookyman\U2f\Server;

class SignRequest implements \JsonSerializable
{

    /** @var string */
    private $version;

    /** @var string */
    private $appId;

    /** @var string */
    private $challenge;

    /** @var string */
    private $keyHandle;

    /**
     * @param string $version
     * @param string $appId
     * @param string $challenge
     * @param string $keyHandle
     */
    public function __construct($version, $appId, $challenge, $keyHandle)
    {
        $this->version = $version;
        $this->appId = $appId;
        $this->challenge = $challenge;
        $this->keyHandle = $keyHandle;
    }

    /**
     * @return string
     */
    public function getVersion()
    {
        return $this->version;
    }

    /**
     * @return string
     */
    public function getAppId()
    {
        return $this->appId;
    }

    /**
     * @return string
     */
    public function getChallenge()
    {
        return $this->challenge;
    }

    /**
     * @return string
     */
    public function getKeyHandle()
    {
        return $this->keyHandle;
    }

    /**
     * @internal
     * @return array
     */
    public function jsonSerialize()
    {
        return [
            'version' => $this->version,
            'challenge' => Helpers::urlSafeBase64Encode($this->challenge),
            'keyHandle' => Helpers::urlSafeBase64Encode($this->keyHandle),
            'appId' => $this->appId,
        ];
    }

}